import {
  Card,
  Breadcrumb,
  Form,
  Button,
  Radio,
  Input,
  Upload,
  Space,
  Select,
  message,
} from "antd";
import { PlusOutlined } from "@ant-design/icons";
import { Link, useNavigate, useSearchParams } from "react-router-dom";
import "./index.scss";
import { getArticleByIdAPI, getChannelsAPI, submitArticleAPI, updateArticleAPI } from "@/apis/article";

import ReactQuill from "react-quill";
import "react-quill/dist/quill.snow.css";
import { useEffect, useState } from "react";
import useChannel from "@/hooks/useChannel";
import { useForm } from "antd/es/form/Form";

const { Option } = Select;

const Publish = () => {
  const navigate = useNavigate();

  // 使用自定义hooks获取频道列表;
  const {channelList} = useChannel();

  // 表单提交
  const onFinish = (formValues) => {
    // console.log(formValues);
    // 校验接口类型和图片上传数据相同
    if(imageType !== imageList.length) return message.warning('图片类型与上传图片数量不一致')
    const { title, content, channel_id } = formValues;
    // 收集表单数据
    const reqData = {
      title,
      content,
      type: 1,
      cover: {
        type: imageType,
        images:  imageList.map((item) => {
          if (item.response) {
            return item.response.data.url;
          } else {
            return item.url;
          }
        }),
      },
      channel_id,
    };
    // 调用接口 发送数据
    if(articleId){
      updateArticleAPI({
        ...reqData,
        id:articleId
      })
      message.success("文章更新成功");
    }else{
      submitArticleAPI(reqData);
      message.success("文章发布成功");
    }
    navigate("/article");
  };

  // 图片上传
  const [imageList, setImageList] = useState([]);
  const onUpload = (values) => {
    // console.log(values);
    setImageList(values.fileList)
  }

  // 图片类型切换
  const [imageType,setImageType] = useState(1)
  const onTypeChange = (e) => {
    // console.log(e.target.value);
    setImageType(e.target.value)
  }

  // 回填数据
  const [searchParams] = useSearchParams();
  const articleId = searchParams.get('id')
  // 获取表单实例
  const [form] = Form.useForm();
  useEffect(() => {
    // 要是没有id就不执行后续操作
    if(articleId === null ) return
    async function getArticleDetail() {
      const res = await getArticleByIdAPI(articleId);
      // console.log(res);
      // 回显数据
      form.setFieldsValue(res.data);
      // 回显图片类型与图片
      setImageType(res.data.cover.type); // 封面类型
      setImageList(res.data.cover.images.map((url) => ({ url }))); // 封面
    }
    getArticleDetail();
  }, [articleId,form]);

  return (
    <div className="publish">
      <Card
        //卡片的title中写了面包屑组件
        title={
          <Breadcrumb
            items={[
              { title: <Link to={"/"}>首页</Link> },
              { title: `${articleId}` ? "编辑文章" : "发布文章" },
            ]}
          />
        }
      >
        <Form
          labelCol={{ span: 4 }}
          wrapperCol={{ span: 16 }}
          initialValues={{ type: 1 }}
          onFinish={onFinish}
          form={form}
        >
          <Form.Item
            label="标题"
            name="title"
            rules={[{ required: true, message: "请输入文章标题" }]}
          >
            <Input placeholder="请输入文章标题" style={{ width: 400 }} />
          </Form.Item>
          <Form.Item
            label="频道"
            name="channel_id"
            rules={[{ required: true, message: "请选择文章频道" }]}
          >
            <Select placeholder="请选择文章频道" style={{ width: 400 }}>
              {channelList.map((item) => (
                <Option key={item.id} value={item.id}>
                  {item.name}
                </Option>
              ))}
            </Select>
          </Form.Item>
          <Form.Item label="封面">
            <Form.Item name="type">
              <Radio.Group onChange={onTypeChange}>
                <Radio value={1}>单图</Radio>
                <Radio value={3}>三图</Radio>
                <Radio value={0}>无图</Radio>
              </Radio.Group>
            </Form.Item>
            {imageType > 0 && (
              <Upload
                listType="picture-card"
                name="image"
                showUploadList
                action={"http://geek.itheima.net/v1_0/upload"}
                onChange={onUpload}
                maxCount={imageType}
                fileList={imageList}
              >
                <div style={{ marginTop: 8 }}>
                  <PlusOutlined />
                </div>
              </Upload>
            )}
          </Form.Item>
          <Form.Item
            label="内容"
            name="content"
            rules={[{ required: true, message: "请输入文章内容" }]}
          >
            {/* 富文本编辑器 */}
            <ReactQuill
              className="publish-quill"
              theme="snow"
              placeholder="请输入文章内容"
            />
          </Form.Item>

          <Form.Item wrapperCol={{ offset: 4 }}>
            <Space>
              <Button size="middle" type="primary" htmlType="submit">
                发布文章
              </Button>
            </Space>
          </Form.Item>
        </Form>
      </Card>
    </div>
  );
};

export default Publish;
